Speedo stuck at 20mph
04-30-2008, 05:38 PM
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Staging Lane
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Join Date: Jul 2006
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Speedo stuck at 20mph Just installed longtube headers, y pipe, and catback. Now the speedometer is stuck at 20mph. When I drive it goes up, its just always 20mph off. I have a scan tool reading off the obd2 that reads the correct mph. Help Please!!!
